Finding the Fourth Proportional to 230,193.19, 317,715.62 and 154,697.95
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Solution
The fourth proportional to 230,193.19, 317,715.62 and 154,697.95 is: 213,516.11
Step by Step Solution
- Step 1: Write the proportion equation
230,193.19 : 317,715.62 = 154,697.95 : x - Step 2: Convert to fraction form
230,193.19/317,715.62 = 154,697.95/x - Step 3: Cross multiply
230,193.19x = 317,715.62 × 154,697.95 - Step 4: Simplify right side
230,193.19x = 49,149,955,096.98 - Step 5: Solve for x
x = 49,149,955,096.98/230,193.19 - Step 6: Final answer
x = 213,516.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.